Finding the Fourth Proportional to 1,170,899,988.52, 1,756,386,374.46 and 434,153,226.28
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Solution
The fourth proportional to 1,170,899,988.52, 1,756,386,374.46 and 434,153,226.28 is: 651,243,332.94
Step by Step Solution
- Step 1: Write the proportion equation
1,170,899,988.52 : 1,756,386,374.46 = 434,153,226.28 : x - Step 2: Convert to fraction form
1,170,899,988.52/1,756,386,374.46 = 434,153,226.28/x - Step 3: Cross multiply
1,170,899,988.52x = 1,756,386,374.46 × 434,153,226.28 - Step 4: Simplify right side
1,170,899,988.52x = 762,540,811,066,041,216 - Step 5: Solve for x
x = 762,540,811,066,041,216/1,170,899,988.52 - Step 6: Final answer
x = 651,243,332.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.